The number of people seeking unemployment remained at a four-year low, another medicine recall, Allianz announces a gaping fourth quarter loss and Romney and Santorum yuk it up during the last debate before decisive primaries in Arizona and Michigan. 

Dozens of job seekers line up to enter a National Career Fair, Wednesday, Feb. 22, 2012 in New York. The number of people seeking unemployment aid stayed at a four-year low last week, the latest evidence that layoffs are low and the job market is slowly healing. (AP Photo/Mark Lennihan)

In this April 12, 2009 file photo a building of the German insurer Allianz is pictured in Berlin, Germany. Allianz says Thursday, Feb. 23, 2012 its net income fell by more than half to euro 492 million ($650.92 million) in the fourth quarter, missing analyst estimates. The company made euro 1.14 billion in the same quarter a year ago. (AP Photo/dapd, Steffi Loos)

A container of grape-flavored Infants’ Tylenol liquid medicine with the enclosed syringe and flow restrictor is posed in Moreland Hills, Ohio on Friday, Feb. 17, 2012. A Johnson & Johnson consumer health business plagued by product recalls says it is pulling some versions of infant Tylenol off store shelves due to problems with a device that helps measure dosing. (AP Photo/Amy Sancetta)

In this Sept. 23, 2008, file photo, Dr. Harold Dauerman checks monitors during a catheterization lab heart procedure in Burlington, Vt. Vermont small businesses that want to keep offering employee health insurance will have to do it through a state system beginning in 2014. The bill approved by the House Health Care Committee would allow those businesses to offer high-deductible health plans, over the objections of consumer advocates.(AP Photo/Toby Talbot, File)

Kansas state Rep. Geraldine Flaharty, far left, a Wichita Democrat, makes a point during a House Pensions and Benefits Committee, as other committee members watch, Monday, Feb. 20, 2012, at the Statehouse in Topeka, Kan. The committee expects to consider alternatives to a plan for starting a 401(k)-style retirement plan for new teachers and government workers. (AP Photo/John Hanna)

This Aug. 26, 2009 photo shows Dr. Pedro Jose Greer, right, preparing to do a colonoscopy at Mercy Hospital in Miami. A new study conducted by researches at Sloan-Kettering Cancer Center found that colonoscopies reduced the chance of death by colon cancer by 53%. The effectivness of colonoscopies in preventing death was previously debated. photo/Lynne Sladky)

Republican presidential candidate, former Pennsylvania Sen. Rick Santorum, left, and former Massachusetts Gov. Mitt Romney share a laugh at the end of a Republican presidential debate Wednesday, Feb. 22, 2012, in Mesa, Ariz. Primary voters in Michigan and Arizona go to the polls on Tuesday in what could be a decisive contest that finally winnows out a clear front-runner.(AP Photo/Jae C. Hong)